CN104540417B - Backpack type power supply - Google Patents
Backpack type power supply Download PDFInfo
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- CN104540417B CN104540417B CN201380042845.0A CN201380042845A CN104540417B CN 104540417 B CN104540417 B CN 104540417B CN 201380042845 A CN201380042845 A CN 201380042845A CN 104540417 B CN104540417 B CN 104540417B
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- battery unit
- type power
- fan
- backpack type
- power supply
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
- A45F3/04—Sacks or packs carried on the body by means of two straps passing over the two shoulders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/247—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/256—Carrying devices, e.g. belts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
- A45F2003/003—Travelling or camp articles; Sacks or packs carried on the body combined with other objects; specially adapted for carrying specific objects
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Computer Hardware Design (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
A kind of Backpack type power supply, including：Multiple secondary element cells, it is configured to accommodate multiple secondary element cells and be suitable to be worn on the housing at user back and be configured to cool down the cooling fan of multiple secondary element cells.
Description
Technical field
The present invention relates to a kind of Backpack type power supply accommodating the rechargeable battery for electric tool.
Background technology
Be supplied to electric tool and other equipment compact power a kind of propose be, in wearable in user waist
On belt (battery case) in accommodate rechargeable battery (example is shown in Japanese utility model application H07-3983 publication).
Content of the invention
Technical problem
The Backpack type power supply being worn on user back is alternatively possible to be used for supplying electricity to electric tool and other set
Standby compact power.Backpack type power supply can have the capacity bigger than waistband type power supply, because Backpack type power supply is provided with energy
Accommodate the housing of the secondary element cell (for example, rechargeable lithium ion batteries) of a large amount of array arrangements.
Normally, secondary cell trends towards in its charging and discharging heating up, and its performance meeting when its temperature rises
Degenerate.In the arrangement of said units battery, the amount that rechargeable unit battery temperature raises is according to element cell in an array
Position is different.The inconsistent performance that temperature raises causes the irregular degeneration of respective unit cells.Even if if Backpack type
One of multiple rechargeable batteries of power supply experience is significantly degenerated, and the overall discharge capacity of power supply is likely to weakened, resistance
Power supply is hindered to discharge its desired discharge capacity.
The solution of problem
A kind of in view of above-mentioned, it is an object of the invention to provide Backpack type of the inconsistent degeneration that can alleviate between secondary cell
Power supply.
In order to reach above-mentioned and other purpose, the present invention provides a kind of Backpack type power supply, and it includes：Multiple two sub-cell electricity
Pond；Housing, consists of the plurality of secondary element cell of receiving, and is suitable to be worn on the back of user；And cooling wind
Fan, consists of the plurality of secondary element cell of cooling.
Using this structure, it is suppressed because the temperature of secondary cell raises, the degeneration of secondary cell can be alleviated.
It is further preferred that the plurality of secondary element cell arranges to form multiple battery units in the first direction,
The plurality of battery unit is along the second direction arrangement perpendicular to first direction.
Preferably, the plurality of battery unit independently can be dismantled from described housing or can be separately attached to described shell
Body.
It is also preferred that the plurality of secondary element cell in each the plurality of battery unit is connected in series with each other,
And the plurality of battery unit is connected in parallel with each other.
Using this structure, even if when one or more secondary element cells experience and significantly degenerate, only having degeneration
The battery unit of element cell can be replaced, and therefore facilitates keeping in repair and reducing the expense needing for replacing of set of cells.
Preferably, described cooling fan includes being set to and the plurality of battery unit multiple fans correspondingly,
Described Backpack type power supply further includes：Multiple temperature sensors, each temperature sensor is configured to detect the plurality of electricity
The temperature of corresponding one in pool unit；And control unit, consist of based on the temperature being detected by multiple temperature sensors
Degree controls each of the plurality of fan independently of one another.
It is further preferred that control unit is configured to each of independently controlled the plurality of fan, so that
Temperature difference between the plurality of battery unit keeps within the specified range.
It is inconsistent in progress of degenerating, thus preventing overall discharge capacity prematurely that this structure can alleviate multiple set of cells
Reduce.
It is also preferred that described control unit is configured to stop and the particular battery unit pair in the plurality of battery unit
Specific fan in the plurality of fan answered, in the plurality of battery unit, described particular battery unit has minimum
Temperature.
It is also preferred that described control unit is configured to drive and the particular battery unit pair in the plurality of battery unit
Specific fan in the plurality of fan answered, in the plurality of battery unit, described particular battery unit has highest
Temperature.
This structure can alleviate multiple battery units inconsistent in progress of degenerating while saves energy.
It is also preferred that each battery unit is respectively provided with first end and in a first direction relative with first end second
End, the plurality of fan is alternately located at first end and the second end in a second direction.
This structure more preferably can evenly cool down multiple secondary element cells in a first direction.
Further preferably：Described housing has that outer wall is relative with outer wall and structure is against in user back
Wall and the side wall being all connected with outer wall and inwall for a pair, the direction from outer wall to inwall is perpendicular to first direction and second direction
Third direction, and the assembly of plurality of battery unit in a first direction, second direction and third direction define center；
And wherein outer wall, inwall and side wall one of them corresponding to center position formed opening, described opening be air intake
At least one of with air outlet slit, for producing the air-flow flowing through center by cooling fan.
This structure can not only cool down the body of secondary element cell, and can also concentrate cooling ratio in two peripheral sub-cells
Battery more likely rises the secondary element cell of high-temperature.Therefore, this structure also can alleviate the degeneration between multiple secondary element cells
Progress is inconsistent.
Preferably, described housing has a pair of sidewalls, each side wall all in a first direction with the plurality of battery list
The two ends of each of unit relatively, and have in the face of diapire, side wall and the bottom of lowermost end battery unit in a second direction
One of them of wall is formed with least one of entrance and exit, to produce air-flow by cooling fan.
When power supply running is in the rain or under other precipitation event, this structure limits the amount of the moisture entering housing.
It may further be preferable that described housing has the wall against user back, described wall is formed with entrance and exit
At least one of, so that air-flow is produced by described cooling fan.
This structure further limit rainwater or other impurities can enter the probability of housing by opening.
It is also preferred that described housing has the wall against user back, described wall and the plurality of element cell exist
Space is defined, described space is the air duct extending from or extending to described cooling fan between them.
This structure can reduce result from secondary element cell, passed to by housing user back heat.Pass through
It is effective that the cooling air-flow of air duct becomes sultry aspect at the back preventing user.
Further, if the direction discharging gas can be changed by the direction of rotation or similar method that invert fan, when
Power supply operates in cold snap or during cold season, and the heat that secondary element cell produces can be used for heating the back of the body of user
Portion.
Preferably：The plurality of battery unit defines center in the first direction and in a second direction；And wherein, often
Multiple element cells in individual battery unit arrange the first gap in the first direction between adjacent element cell, and described
Multiple battery units arrange the second gap in a second direction between adjacent battery unit, in the first gap and the second gap
At least one increases towards center, so that specific one being located most closely in first gap and the second gap at center is
Greatly, and specific another that be located furthest from first gap and the second gap at center is minimum.
It may further be preferable that further including multiple heat distribution control members, each heat distribution control member is respectively provided with
Between adjacent battery unit and be configured to control the heat distribution between the plurality of battery unit.
It may further be preferable that described heat distribution control member includes being configured between the adjacent battery unit of part isolation
Space dividing plate.It is also preferred that described heat distribution control member is made up of adiabator.
This structure can guide cooling gas uniformly to surround element cell in a first direction, obtains more effectively secondary list
The cooling of first battery.And, the heat transfer between adjacent cell can be limited, thus realizing between secondary element cell preferably
Heat distribution.
Preferably, secondary element cell is lithium ion secondary element cell.
This structure of the invention described above is all effective to existing any kind of secondary cell in the art, but uses
During charging and discharging, the always sensitive lithium ion battery of the temperature difference between its secondary element cell, shows more significant
Effect,
The beneficial effect of the invention
The degeneration of inconsistent (irregular) between secondary cell can be alleviated according to the Backpack type power supply of the present invention.
Brief description
Fig. 1 is the front view of the Backpack type power supply according to the preferred embodiment of the present invention
The sectional view of the housing of Backpack type power supply of Fig. 1 that Fig. 2A is, and show the internal structure of housing.
Fig. 2 B is the sectional view of the housing of Backpack type power supply of Fig. 1.
Fig. 3 A is the sectional view of the housing of Backpack type power supply of example according to a modification of this invention.
Fig. 3 B is the sectional view of the housing of Backpack type power supply of Fig. 3 A.
Fig. 4 A is the housing sectional view of the Backpack type power supply of another variation according to the present invention.
Fig. 4 B is the sectional view of the housing of Backpack type power supply of Fig. 4 A.
Specific embodiment
Below, the Backpack type power supply 1 according to the preferred embodiment of the present invention will be described referring to figs. 1 to 2B.It should be noted that
, the outward appearance of power supply 1 in Fig. 1 and shape be slightly different from other accompanying drawings, but in a preferred embodiment by
Think and enable identical function.
Power supply 1 according to preferred implementation is used for accommodating the set of cells 2 (see Fig. 2) powered to electric tool.Using
Person operates the set of cells 2 being contained in power supply 1 while electric tool can be worn on the back of user.As Fig. 1 to 2B institute
Show, power supply 1 also includes box-like housing 3.
Housing 3 includes leaning against the contact surface 31 at user back, the outer surface 32 (see Fig. 2 B) on contact surface 31 opposite, top
Face 33, bottom surface 34 and a pair of side 35.
Four entrance 35a and four outlet 35b are in the position of the respective battery unit 22 of four in the face of will be described below
The place of putting is respectively formed in relative side 35.In a preferred embodiment, entrance 35a is formed at right flank 35, and outlet 35b is formed
In left surface 35, as shown in Figure 2 A.
Housing 3 accommodates set of cells 2, and four temperature sensors 4, four cooling fans 5, and control unit 6.
Set of cells 2 includes 80 lithium ion secondary element cells (hereafter " element cell ") 21 altogether.More specifically,
In this example, set of cells 2 has four battery units 22, and each battery unit 22 is by 20 element cells being arranged in two row
21 compositions, every ten element cells are connected in a row.That is, ten element cells 21 are connected in every row, and two row element cells
21 in each battery unit 22 mutually and connect.Battery unit 22 extends in left-right direction.
One of temperature sensor 4 is arranged on the middle section of each battery unit 22, and this middle section is at each
In battery unit 22, most sensitive position is risen to temperature.Temperature sensor 4 is used for detecting the temperature of respective battery unit 22 simultaneously
And for exporting temperature data to control unit 6.
Cooling fan 5 is installed in housing 3, and each cooling fan is respectively positioned in the face of corresponding battery unit 22 is in left and right
The position of the one end (left end in a preferred embodiment) on direction.
The temperature of the corresponding battery unit 22 that control unit 6 is detected based on corresponding temperature sensor 4 is independently controlled
Make each cooling fan 5.Specifically, control unit 6 controls each cooling fan 5 so that the temperature of fan is without departing from specified temperature
Degree.Further, control unit 6 also controls cooling fan 5 so that the temperature difference between four battery units 22 is maintained at specified range
Interior.The feasible pattern controlling cooling fan 5 includes adjusting the rotary speed of each cooling fan 5 and inverts each cooling fan 5
Direction of rotation.(being to invert air inlet/discharge directions)
By controlling each cooling fan 5 so that the temperature difference between four battery units 22 keeps within the specified range, root
The irregular degeneration between battery unit 22 can be alleviated according to the power supply 1 of present embodiment.Therefore, this structure suppress owing to only
The decline of the allomeric function of element cell 21 of the performance degradation of only a part element cell 21.
Using traditional technology, if even if one of set of cells element cell is degenerated to heavens, whole set of cells must
Must be replaced.However, element cell 21 is arranged in by multiple battery units 22 according to the set of cells 2 of preferred implementation.From
And, when one of element cell 21 experiences and degenerates to heavens, only have the battery unit 22 of the element cell 21 of this degeneration
Needs are replaced, and therefore facilitate keeping in repair and reducing the expense needing for replacing of set of cells 2.
In the above example, element cell 21 is lithium ion secondary element cell.Due to this kind of during charging and discharging
Element cell is more more sensitive to temperature difference than other kinds of element cell, and therefore, for this structure, the present invention is especially effective.
Further, in a preferred embodiment, entrance 35a and outlet 35b is formed in side 35.When power supply 1 is in the rain
Or when operating in the case of other precipitation, this structure limits the amount of the moisture entering housing 3.
Since in detail with reference to above embodiments describing the present invention, should show to those skilled in the art
And be clear to, various changes and deformation can be carried out wherein without departing from right ground.
For example, in above-mentioned preferred implementation, control unit 6 controls each cooling fan 5 so that four battery units 22
Between temperature difference keep within the specified range.However, control unit 6 also can stop wherein with the battery unit with minimum temperature
22 corresponding cooling fans 5, or can only drive and the corresponding cooling fan 5 of battery unit 22 with maximum temperature.?
Alleviate the inconsistent aspect of progress of the degeneration of battery unit 22, this structure obtains and the identical effect described by preferred implementation
Really, and simultaneously saves energy.
Although the housing 3 of preferred implementation accommodates the powered cooling fan 5 of multiple respective independences, the present invention is not
It is limited to this structure, fan 5 may be located at the position of the heat being uniformly dispersed between secondary element cell.For example, cool down
Fan 5 can all simultaneously rather than independently be driven, or housing 3 can be arranged to as in Fig. 3 A represent have single cold
But fan 8.For those skilled in the art it should be obvious that from for example, manufacturing expense, the potential of fault can
Can property, from the point of view of convenience of maintenance etc., the element of the less such as fan of demand is come to obtain Expected Results be preferred.
In a preferred embodiment although four cooling fans 5 are arranged on the left end of four battery units 22.But cooling electricity
Fan 5 may be installed the other end of battery unit 22, as shown in Figure 4 A.In this case, entrance 35a and outlet 35b also can divide
It is not alternately formed in right flank and left surface 35, so that corresponding with the cooling fan 5 alternately installed.This structure can be in left and right
More preferable evenly cooling unit battery 21 on direction.
In a preferred embodiment although entrance 35a and outlet 35b is formed in side 35, but the position to this opening
Have no particular limits.For example, when being operated in the rain or in other precipitation environment, this opening may be formed in bottom surface 34 to enter
One step limits moisture and enters housing 3 (reference 136 see in Fig. 4 A).
In a preferred embodiment although entrance 35a and outlet 35b is formed in the left surface and right flank 35 of housing 3,
But this opening (reference 137 see in Fig. 4 A) can be formed at and connects at the general location at the center of four battery units 22
In contacting surface 31 or outer surface 32.Here, " " center " of four battery units 22 represents in the length being made up of four battery units 22
Leaning on any one surface of cube (that is, cuboid is formed when the 22 groups of merging of four battery units are counted as a unit)
Paracentral position.
This structure can not only cooling unit battery 21 body, and can also concentrate cooling those than in peripheral unit electricity
Pond 21 more likely rises the element cell 21 of high-temperature.Therefore, this structure also can alleviate multiple element cells 21 degeneration be in progress not
Unanimously.
Or, at least one entrance 35a and one outlet 35b may be formed in contact surface 31, and this contact surface 31 is using
Period is against the back (reference 138 see in Fig. 4 A) of user.This structure be prevented from user back heating and
Sweat, or can be using the back of the heat user being produced by element cell 21.
Further, channels for cooling air also can be formed between contact surface 31 and four battery units 22 (see figure
Reference 139 in 4B).This structure can reduce in element cell 21 produce user back is passed to by housing 3
Heat.The cooling air flowing through passage also effectively prevents the back of user from becoming sultry.
Note, if entrance 35a is formed in contact surface 31 it is preferred that housing 3 is provided with prevents housing 3 because passing through
The suction of entrance 35a and be drawn onto the structure at the back of user.A method for preventing from being clung by suction is, in housing 3
Upper setting projection, and the opening of entrance 35a is formed at the side surface of this projection so that opening is not in the face of the back of user.
Or, the porous member of such as sponge, net etc may be provided in the opening of entrance 35a, to provide enough spaces to use
Flow between housing 3 and user back in air.
Preferably, heat distributed controll component is set between adjacent battery unit 22.This heat distributed controll structure
Part can be for controlling the dividing plate of airflow direction or other devices, or is arranged between adjacent battery unit 22 such as
The heat ray filter of adiabator.In example as shown in Figure 4 B, dividing plate 140 is arranged between adjacent battery unit 22.Should
Structure can guide cooling air to be evenly distributed in element cell 21 around, cooling effect can be concentrated on non-uniform temperature liter
High region, and heat transmission and between adjacent cell 22 between adjacent-cell battery 21 can be limited, thus, in unit electricity
More preferable heat distribution is realized between pond 21.
At large, when densely installing secondary cell, the element cell 11 of immediate vicinity trends towards than peripherally located
Element cell 11 is easier to rise high-temperature.Therefore, when in each that multiple element cells 21 are arranged in multiple battery units 22
When, such as preferred implementation, the space between adjacent-cell battery 21 should be little by little diluter towards center in peripheral comparatively dense
Dredge.As shown in Figure 4 B, wherein, space S 1 (space between the adjacent-cell battery 21 of immediate vicinity) compares space to the example of this arrangement
S2 (space between peripheral adjacent-cell battery 21) is bigger.
Similarly, the space between adjacent cell 22 can be arranged with similarity method, so that between adjacent cell 22
Space should be more intensive and little by little sparse towards center in periphery.
Reference numerals list
1：Backpack type power supply
2：Set of cells
3：Housing
4：Temperature sensor
5：Cooling fan
6：Control unit
8：Cooling fan
21：Element cell
22：Battery unit
31：Contact surface
32：Outer surface
33：Top surface
34：Bottom surface
35：Side
136：Opening
137：Opening
138：Opening
139：Air duct
140：Dividing plate
Claims (14)
1. a kind of Backpack type power supply, it includes：
Multiple secondary element cells；
Housing, consists of the plurality of secondary element cell of receiving, and is suitable to be worn on the back of user；And
Multiple cooling fans, consist of the plurality of secondary element cell of cooling,
Wherein, described housing has and is configured to be worn on against the inwall at the user back outer wall relative with inwall, when housing
It is configured at a pair of sidewalls of the sidepiece of secondary battery cell during user back, join respectively when housing is worn on user back
It is placed in roof and the diapire of secondary battery cell upper and lower, one of side wall is formed with entrance, with by the plurality of
Cooling fan produces air-flow,
The plurality of secondary element cell arranges to form multiple battery units in the first direction, hangs down in the plurality of battery unit edge
The straight second direction arrangement in first direction, the plurality of secondary element cell in each the plurality of battery unit is mutual
It is connected in series, the plurality of battery unit is connected in parallel with each other；
Housing is formed with outlet, for discharging the air in housing by the plurality of cooling fan；
Entrance and exit is formed on position different from each other along a first direction；
Outlet is configured to relative with the plurality of battery unit along a first direction；And
Multiple fan arrangement outlet and multiple battery unit between so that multiple fan along a first direction with multiple battery lists
Unit is relative, air is discharged to hull outside by outlet.
2. Backpack type power supply according to claim 1, also includes：
Temperature sensor, consists of the temperature detecting multiple battery units；And
Control unit, consists of based on each of the multiple fan of the temperature control being detected by temperature sensor fan.
3. Backpack type power supply according to claim 1, wherein said multiple battery units can be independently from described housing
Dismantle or described housing can be separately attached to.
4. Backpack type power supply according to claim 2, wherein said cooling fan includes being set to and the plurality of battery
Unit multiple fans correspondingly,
Described temperature sensor includes multiple temperature sensors, and each temperature sensor is configured to detect the plurality of battery list
The temperature of corresponding battery unit in unit；And
Described control unit is configured to control independently of one another based on the temperature being detected by multiple temperature sensors described many
Each of individual fan.
5. Backpack type power supply according to claim 4, wherein control unit are configured to independently controlled the plurality of wind
Each of fan, so that the temperature difference between the plurality of battery unit keeps within the specified range.
6. the Backpack type power supply according to claim 4 or 5, wherein said control unit is configured to stop and the plurality of electricity
Specific fan in the corresponding the plurality of fan of particular battery unit in pool unit, in the plurality of battery unit, institute
State particular battery unit and there is minimum temperature.
7. the Backpack type power supply according to claim 4 or 5, wherein said control unit is configured to drive and the plurality of electricity
Specific fan in the corresponding the plurality of fan of particular battery unit in pool unit, in the plurality of battery unit, institute
State particular battery unit and there is highest temperature.
8. the Backpack type power supply according to claim 4 or 5, wherein each battery unit is respectively provided with first end and in first party
Second end relative with first end upwards, the plurality of fan is alternately located at first end and the second end in a second direction.
9. Backpack type power supply according to claim 1, wherein said inwall and the plurality of element cell are between them
Define space, described space is the air duct extending from or extending to the plurality of cooling fan.
10. Backpack type power supply according to claim 1, wherein said multiple battery units limit in the first direction with along the
The center in two directions；And wherein,
Multiple element cells in each battery unit arrange the first gap in the first direction between adjacent element cell, and
And the plurality of battery unit arranges the second gap, between the first gap and second in a second direction between adjacent battery unit
At least one of gap increases towards center, to be located most closely in first gap and the second gap at center specific one
Individual for maximum, and specific another being located furthest from first gap and the second gap at center is minimum.
11. Backpack type power supplys according to claim 1, further include multiple heat distribution control members, each heat distribution
Control member is arranged between adjacent battery unit and is configured to control the heat distribution between the plurality of battery unit.
12. Backpack type power supplys according to claim 11, wherein said heat distribution control member include being configured to part every
The dividing plate in the space between adjacent battery unit.
13. Backpack type power supplys according to claim 11, wherein said heat distribution control member is made up of adiabator.
14. Backpack type power supplys according to claim 1, wherein said secondary element cell is lithium ion secondary unit electricity
Pond.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012179252A JP6065339B2 (en) | 2012-08-13 | 2012-08-13 | Back load type power supply |
| JP2012-179252 | 2012-08-13 | ||
| PCT/JP2013/004803 WO2014027453A2 (en) | 2012-08-13 | 2013-08-08 | Backpack-type power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104540417A CN104540417A (en) | 2015-04-22 |
| CN104540417B true CN104540417B (en) | 2017-03-08 |
Family
ID=49003959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380042845.0A Active CN104540417B (en) | 2012-08-13 | 2013-08-08 | Backpack type power supply |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20150228940A1 (en) |
| JP (1) | JP6065339B2 (en) |
| CN (1) | CN104540417B (en) |
| DE (1) | DE112013004047T5 (en) |
| WO (1) | WO2014027453A2 (en) |
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| US9901954B2 (en) * | 2014-10-09 | 2018-02-27 | Electrostatic Spraying Systems, Inc. | Portable induction electrospraying apparatus and method |
| US10312561B2 (en) * | 2014-10-29 | 2019-06-04 | Lg Chem, Ltd. | Unit cell pack |
| US10749430B2 (en) | 2015-03-13 | 2020-08-18 | Positec Power Tools (Suzhou) Co., Ltd. | Power transmission apparatus and control method therefor, and power supply system |
| US10333184B2 (en) * | 2015-09-09 | 2019-06-25 | General Electric Company | Heat flux assembly for an energy storage device |
| JP6762193B2 (en) * | 2016-10-11 | 2020-09-30 | 株式会社やまびこ | Backpack type power supply system |
| WO2018133657A1 (en) * | 2017-01-17 | 2018-07-26 | 南京德朔实业有限公司 | Wearable battery pack |
| CN207282574U (en) | 2017-01-17 | 2018-04-27 | 南京德朔实业有限公司 | Wearable battery pack |
| CN207409540U (en) * | 2017-01-17 | 2018-05-25 | 南京德朔实业有限公司 | Wearable battery pack |
| CN207282573U (en) * | 2017-01-17 | 2018-04-27 | 南京德朔实业有限公司 | Wearable battery pack |
| JP6822263B2 (en) * | 2017-03-24 | 2021-01-27 | 株式会社Ｇｓユアサ | Failure diagnostic device |
| CN113036257A (en) * | 2019-12-13 | 2021-06-25 | 苏州宝时得电动工具有限公司 | Battery pack, and electric tool system and charging system including the battery pack |
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| KR20240028202A (en) * | 2022-08-24 | 2024-03-05 | 주식회사 엘지에너지솔루션 | Battery pack with enhanced fire safety |
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2012
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-
2013
- 2013-08-08 CN CN201380042845.0A patent/CN104540417B/en active Active
- 2013-08-08 WO PCT/JP2013/004803 patent/WO2014027453A2/en active Application Filing
- 2013-08-08 US US14/420,266 patent/US20150228940A1/en not_active Abandoned
- 2013-08-08 DE DE112013004047.6T patent/DE112013004047T5/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014027453A3 (en) | 2014-07-10 |
| DE112013004047T5 (en) | 2015-05-13 |
| US20150228940A1 (en) | 2015-08-13 |
| JP6065339B2 (en) | 2017-01-25 |
| JP2014038727A (en) | 2014-02-27 |
| WO2014027453A2 (en) | 2014-02-20 |
| CN104540417A (en) | 2015-04-22 |
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